/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Controller;

import Data.Event;
import Data.Member;
import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author NGOCLINH-PC
 */
public class ForgotPass extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    SecureRandom sr = new SecureRandom();

    private String random() {
        return new BigInteger(32, sr).toString();
    }

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (request.getParameter("txtUsernamecl") != null && request.getParameter("txtEmailcl") != null) {
                String username = request.getParameter("txtUsernamecl");
                String txtemail = request.getParameter("txtEmailcl");
                Member mem = new Member();
                ArrayList<Member> a = mem.MselectByquery("SELECT * from Member where Username='" + username + "' AND Email='" + txtemail + "'");
                if (a.size() > 0) {
                    for (int i = 0; i < a.size(); i++) {
                        Member pay = a.get(i);
                        String password = random().substring(0, 6);
                        Member.ChangePass("update Member SET Password='" + password + "' WHERE Username='" + username + "' AND Email='" + txtemail + "'");
                        /// send mail
                        String email = pay.getEmail();
                        String subject = "Message that event new  from KSC";
                        String msg = "Dear " + pay.getMemberName() + "\n"
                                + "Your temporary password is:" + password + " \n "
                                + "Best Regards,\n "
                                + "KSC";
                        Event.send(email, subject, msg, "t1106k.nnlinh@aptech.vn", "ngoclinh113");

                        out.print("<script>alert('System has sent a temporary password to your email. Please check your inbox to receive the password !');window.location.replace('client/index.jsp');</script>");
                    }
                }
            } else {
                out.print("<script>alert('Enter Username and Email!');window.location.replace('client/index.jsp?page=ForgotPass);</script>");
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
